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Finding the Fourth Proportional to 76,812.61, 105,910.73 and 52,625.17

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Solution

The fourth proportional to 76,812.61, 105,910.73 and 52,625.17 is: 72,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,812.61 : 105,910.73 = 52,625.17 : x
  2. Step 2: Convert to fraction form
    76,812.61/105,910.73 = 52,625.17/x
  3. Step 3: Cross multiply
    76,812.61x = 105,910.73 × 52,625.17
  4. Step 4: Simplify right side
    76,812.61x = 5,573,569,643.17
  5. Step 5: Solve for x
    x = 5,573,569,643.17/76,812.61
  6. Step 6: Final answer
    x = 72,560.61

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